LIFE IN THE FAST LANE
Model Airplane News|May 2020
Pro tips for the first time e-jet pilot

This really is the best time to get into jet aircraft, especially the electric-powered variety. The latest advances in brushless motor design and LiPo battery technology have been a huge boon to the hobby, and the RC jet set has evolved to take advantage of these performance-increasing benefits. Electric ducted fan (EDF) jets have become one of the most popular sectors in our hobby, and the development of these e-powered speed demons has been nothing short of amazing.

Always, when hobbyists talk about RC jets, the conversation initially focuses on speed. But that’s really only part of the e-jet equation. In this article, we cover the basics of power system and airframe setup, showing the various choices and options available to the wannabe jetster! From low-time beginners to advanced RC pilots, there’s something for all skill levels. An excellent way to wade into EDF jets is to start with prop jets.

PROP JETS

As the name implies, these jets can look just like full-size jets, but they get their propulsion from electric motors and propellers instead of an internal ducted fan unit. Available as either pusher or tractor jet setups, pusher configurations have the motor and prop mounted in the tail of the fuselage, while tractor prop jets (usually lightweight sheet-foam flyers) have the motor and prop facing the front. Some jets split the difference with the propeller positioned (tractor or pusher) located within the fuselage/wing area in a tightfitting slot cut into the model.

EDFs

Designers of electric ducted fan jets have developed a few different approaches. These include: fully enclosed or exposed electric ducted fan units, construction type, impeller diameter, and method of inlet air ducting. Regardless of configuration, the heart of the EDF jets is the ducted fan unit. The unit is comprised of the outer shroud or duct; an inlet ring or lip at the front of the duct that smoothly guides the airflow into the duct; a precisely fitting multiblade impeller, which is driven by the electric motor; the hub, which is the central part of the impeller attached to the motor’s prop shaft and coupler; and stationary stator vanes that help straighten the swirling airflow produced by the spinning impeller. Some jet designs rely on large openings (aka cheater holes) to draw the air into the EDF unit, while others are equipped with internal air ducting that channels the air into the impellers and the exhaust tube to direct the thrust out of the back of the jet.

Foam construction

Foam is an extremely popular building material for jets. Here, we’ve included both complex all-molded-foam ARFs and simpler flat-foam-sheet kits you can assemble and glue together. Both have their advantages and they vary in price according to the amount of included hardware and accessories. Foam jets are usually smaller and lighter than built-up wood and fiberglass jets, so they can be powered by smaller, less expensive power systems and can operate with budget servos and radio gear.

Continue reading your story on the app

Continue reading your story in the magazine

MORE STORIES FROM MODEL AIRPLANE NEWSView All

Legend Hobby / Seagull Models - Cessna Grand Caravan 208

The Cessna Grand Caravan 208 is a legend in aviation circles. A single engine utility aircraft that punches up with capabilities that rival many twin engine aircraft in its class. Its seemingly simple configuration belies its near extreme utility.

8 mins read
Model Airplane News
January 2022

PROPER CG LOCATION FOR AEROBATICS

If you are getting into aerobatics and are starting to perform more advanced maneuvers, it is time to discuss ways you can not only become a better pilot, but how you can also improve the flight characteristics of your airplanes.

5 mins read
Model Airplane News
January 2022

Legend Hobby 13-Foot L-19 Bird Dog/ Cessna O-1

This famous multi-mission single engine observation aircraft served from 1950-1974. From calling out target locations to providing intel/recon information, the Bird Dog was a valued asset in both the Korean War and Vietnam.

1 min read
Model Airplane News
January 2022

EARN YOUR WINGS

10 Tips for First-Flight Success

6 mins read
Model Airplane News
January 2022

Old School Model Works Fifty Six

The Fifty Six takes its design cues from the original .09- to .15-size Carl Goldberg Falcon 56 of the 1960s. Reworked to incorporate modern, lasercut techniques to make kit building better than ever.

1 min read
Model Airplane News
January 2022

FLYING TWINS Multi-engine warbirds made easy

Let’s face it, there’s just something extra special about twin-engine RC aircraft. Most modelers stop what they’re doing when a twin fires up on the flightline.

6 mins read
Model Airplane News
January 2022

HOW TO BALANCE PROPELLERS

Four easy steps to increase performance and reduce vibration

5 mins read
Model Airplane News
January 2022

PRODUCT REVIEW: RC PLANE STANDS BENCHTOP MODEL

I’m a sucker for shop stuff. I buy tools I will probably never use just because they are cool, or I might need to use them someday. When Glen from RC Plane Stands reached out about a review, however, I knew as soon as I browsed their website that I would be receiving something I would use a lot, maybe even daily.

2 mins read
Model Airplane News
January 2022

SPIRIT OF RHINEBECK AWARD WINNER

A close up of Norman Malinowski’s 1/3-scale Albatros

3 mins read
Model Airplane News
January 2022

CENTER OF GRAVITY BASICS

The secret to a plane that flies well

6 mins read
Model Airplane News
July 2021
RELATED STORIES

METHANE HUNTERS

SCIENTISTS AND ACTIVISTS ARE RACING TO FIND GLOBE-WARMING LEAKS IN AMERICA’S LARGEST OIL FIELD—AND GET THEM PLUGGED BEFORE THEY COOK THE PLANET FURTHER

10+ mins read
Bloomberg Businessweek
August 23, 2021

Maverick Muse

Ed Friedland is a bassist and author who has seen it all, done it all and survived to tell the tale. We meet the master.

8 mins read
Bass Player
November 2019

How Do You Stop the Biggest Gas Leak Ever?

Plugging the biggest gas leak on record.

10+ mins read
Bloomberg Businessweek
February 15 - February 21, 2016

Wall Street tech rout puts Aveva into steep reverse

MARKET ROUND-UP

1 min read
Evening Standard
April 27, 2022

Fighting con artists who target lonely

A survey has shown that being in social isolation ups your odds of being scammed, and the key to beating the con artists is having someone to talk things through with

3 mins read
Daily Record
April 26, 2022

छात्रों के कौशल विकास के लिए कोलकाता मॉडल' के तहत कोर्स शुरू करेगा एड4 ऑल

बीजीबीएस के दौरान एड4ऑल ने राज्य के तकनीकी शिक्षा, प्रशिक्षण व कौशल विकास विभाग के साथ किया समझौता

1 min read
Prabhat Khabar Kolkata
April 22, 2022

40% of us in fuel poverty by the winter

Energy chiefs warn government to step in as crisis looms

2 mins read
Daily Record
April 20, 2022

Macron announces plans for up to 14 nuclear reactors

President Emmanuel Macron has announced that France will build up to 14 new reactors as part of a renaissance for the French nuclear industry.

1 min read
The Independent
February 11, 2022

Dodge seasonal scams

CHRISTMAS is traditionally a time for giving, unless you are a fraudster, in which case it is peak season for scamming unsuspecting victims instead.

2 mins read
Sunday Express
December 12, 2021

Miscellaneous matters

Extracts from 1889, 1916, 1950 and 1969 issues of AG, covering such issues as double anemones, potting up plants and the place of women in horticulture

5 mins read
Amateur Gardening
September 18, 2021